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Under the deal, Mexico has gone from a bit player in the North American auto sector to the second-largest participant with almost 20 per cent of total production, compared with Canada's 16 per cent.
"Heavy truck shipments in Canada collapsed by 75 per cent between 2006 and 2011. It's an incredible example of a manufacturing catastrophe and NAFTA was absolutely a key part of it," he says.
http://www.cbc.ca/m/news/canada/nafta-turns-20-mexico-is-pact-s-biggest-winner-1.2478480